The majority of the code is this project comes from OpenSolaris which
has been released under the CDDL open source license.  This includes
the core ZFS code, libavl, libnvpair, libefi, libunicode, and libutil.
The original OpenSolaris source can be downloaded from:

http://dlc.sun.com/osol/on/downloads/b121/on-src.tar.bz2

Files which do not originate from OpenSolaris are noted by a header
and attributed properly.  These exceptions include but are not limited
to the vdev_disk.c and zvol.c implementation which are also licensed
under the CDDL.

This package is distributed under the terms of the CDDL.  See the file
OPENSOLARIS.LICENSE for more information.